Marc Bonnieux

A graduate engineer from INSA Rennes and holder of a PhD in Process Engineering from the University of Montpellier, Marc Bonnieux joined the SUEZ Group in 1995. After spending four years in Argentina as part of the Buenos Aires sanitation programme, he pursued most of his career within the Water activities in France.

Throughout his career, has held several regional leadership positions, notably in Provence, Bourgogne-Franche-Comté, and the Grand Est region. Since 2023, he had served as Deputy CEO of the the Water activities in France, overseeing the Île-de-France region.

In November 2026, Marc Bonnieux was appointed Executive Vice President of the Water activities in France.